Crude-oil burner.



E. D. VARNUM.

CRUDE OIL BURNER. APPLICATION FILED JAN-4,1915

1 9 1 3, 911;? m Patented June 22, 1915.

WITNESSES INVENTOE.

EDWARD D. VARNUM, OF SAN DIEGO, CALIFORNIA.

CRUDE-OIL BURNER.

Application filed. January 4, 1915.

To all whom it may concern Be it known that I, EDWARD D. VARNUM, acitizen of the United States, and a resident of San Diego, in the countyof San Diego and State of California, have invented certain new anduseful Improvements in Crude- Oil Burners, of which the following is aspecification.

My invention relates to oil burners in which oil and water are mixed foruse as a fuel, more particularly crude oil or distillate and the objectsof my invention are, first, to provide a burner which provides theproper quantity of air to the different parts so that said burner willnot carbonize,

second, to provide a burner plate which will not readily burn out,third, to provide a burner which is adjustable for different sizedboilers or heating plants, fourth, to provide a burner of this class inwhich the fuel feed and air provides equal distribution, fifth, toprovide a burner of this class which will burn either distillate orcrude oil mixed with water and in which distillate may be used forstarting the fire and then crude oil used thereafter.

With these and other objects in view as will appear hereinaftermy'invention consists of certain novel features of construction,combination and arrangement of parts as will be hereinafter described indetail and particularly set forth in the appended claims reference beinghad to the accompanying drawings and to the characters of referencethereon which form a part of this specification, in which:

Figure 1 is a sectional view of my burner complete showing the feedpipes and tanks in elevation and Fig. 2 is a transverse sectional viewthrough A-B of Fig. 1.

Similar characters of reference refer to similar parts throughout theseveral views.

The burner plate 1, oil feed cone 2, oil feed pipe 3, hood 4, water feedpipe 5, air supply pipe 6, fuel tank 7, distillate oil tank 8, valve 9and valve 10 constitute the principal parts of my burner.

The air supply pipe 6 is preferably an ordinary pipe of the proper sizeto allow the proper quantity of air through the burner. It is providedwith a plurality of perforations 6 adapted to allow a small quantity ofthe air to pass out beneath the burner plate 1 which has a tendency tokeep said burner plate 1 from overheating and thus burning out, and alsoprovides a slight Specification of Letters Patent.

upper end and it is provided with a cap Patented June 22, 1915.

Serial No. 334.

draft around the outer edge of the plate 1 to prevent carbonizing andclogging. On this air supply pipe 6 is revolubly mounted an annularshaped damper 6 which is provided with perforations 6 conforming to thehole 6 in the pipe 6. This damper 6 is supported on the pipe 6 by meansof lugs 6 and when turned is adapted to open and close the draft throughthe perforations 6 and to regulate the same. On this air supply pipe 6,on the top end, is mounted said burner plate 1 which is an annular plateand is provided with a hole 1 in its center and around said hole with anupwardly extending bead 1'. It is also provided on its outer edge withan upwardly extending bead 1 adapted to prevent the oil from runningover the outer edge of the plate 1 and it is also provided with inwardlyextending lugs 1 adapted to support the pipe 3 centrally in the hole IImmediately above this plate 1 is the oil feed cone 2 mounted upon thepipe 3 by means of threads 3 which allows its being moved up and downrelatively to the plate 1. It is preferably provided with grooves in itsupper surface extending from the top to the bottom thereof. The waterfeed pipe 5 forming a support for the burner extends up through the airsupply pipe 6 inside of the oil feed pipe 3 and is provided with aplurality of perforations 5 in its 4a on its top end to which isattached the hood 4. The oil feed pipe 3 is fitted tightly around thewater supply pipe 5 slightly below its top end and said oil feed pipe isprovided with perforations 3 near its top end adapted for the exit ofthe oil therethrough and onto the upper surface of the cone 2. To theoil supply pipe 3 is connected the crude oil tank 7 and distillate oiltank 8, both of which are separated from said pipe 3 by means of valves,the one which I have numbered 9 and other 10. In starting the fire thevalve 9 is closed and the water is shut off. The valve 10 is openedwhich allows the distillate to run to the burner through theperforations 3 and down over the cone 2 over the plate 1 where it isignited by the use of a match. However, when the plate 1 has becomesufliciently heated to provide proper combustion the water through thepipe 5 is then turned on, or if it is desired to burn crude oil thevalve 10 is closed and the valve 9 is opened and the water turned on inproper proportions with the oil.

It will be here noted that the air supply to the burner is through theair supply pipe 6 the larger quantity of the air going up through thehole l in the central portion of the plate 1 and spreading in alldirections and the oil and water flows down over the cone 2, from theperforations 3 and 5 dropping in a circle on the plate 1 adjacent theouter edge of the cone 2, that there is provided a draft through theperforation 6 and through the hole 1 in the center portion of the plate1.

Though I have shown and described a particular construction, combinationand arrangement of parts I do not wish to be limited to this particularconstruction, combination and arrangement but desire to include in thepurview of my invention the construction, combination and arrangementsubstantially as set forth in the appended claims.

It is obvious that with thisconstruction there is provided a crude oilburner in which the draft may be regulated as desired; that the spacebetween the feed cone and the burner plate may be decreased or enlargedas desired for difierent sized fires by adjusting the cone 2 on the pipe3; that the device is simple of construction and durable; that theburner plate being provided with circu lation of air beneath provides ameans for keeping it from overheating and burning out.

Having thus described my invention what I claim as new and desire tosecure by Letters Patent is:

1. In an oil burner, the combination of an oil supply pipe provided withoutlet perforations, a water supply pipe provided with outletperforations, a cone for said oil and water to run upon adjustablymounted on said oil supply pipe, a burner plate of larger diameter thansaid cone and mounted below said cone, spaced apart therefrom and an airconveying pipe for supporting said plate and conveying air between saidplates.

2. In an oil burner, the combination of an oil supply pipe provided withoutlet perforations, a water supply pipe provided with outletperforations mounted centrally therein, a cone adjustably mounted onsaid oil supply pipe, a burner plate of larger diameter than said cone,mounted below said cone and spaced apart therefrom, an air conveyingpipe for supporting said plate and conveying air between said plate andsaid cone and below said plate around the outer edge thereof and a hoodover the upper end of said water and fuel supply pipes mounted on saidwater supply pipe.

3. In a crude oil burner the combination of an oil supply pipe, a watersupply pipe mounted centrally therein, means for supplying water and oilthereto in regulated quantities, an air intake pipe surrounding saidfuel and water supply pipe provided with perforations therein, anannular plate mounted on the upper end of said air intake pipe providedwith a central hole therein, adapted to allow the passage of airtherethrough, and a cone adjustably mounted above said plate, wherebythe fuel from said fuel and water supply pipes will run down onto saidcone and drop from the outer edges thereof to said plate.

4. In a crude oil burner the combination of an oil supply pipe, providedwith perforations near the top end thereof, a water supply pipe mountedcentrally therein provided with perforations near its top end, means forsupplying water and oil thereto in regulated quantities, an air intakepipe surrounding said oil supply pipe provided with perforationstherein, an annular plate mounted on the upper end of said air intakepipe provided with a central hole therein adapted to allow the passageof air therethrough, and a cone adj ustably mounted on said oil supplypipe, whereby the fuel from said fuel supply pipe will run down ontosaid cone and drop from the outer edges thereof to said plate and a hoodover the upper end of said supply pipes.

In testimony whereof, I have hereunto subscribed my name in the presenceof two subscribing witnesses.

EDWARD D. VARNUM.

Witnesses:

EDITH M. BOWMAN, LUELLA WARE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. G.

